Merge pull request #2 from g10/feature/haml-coffee-option

Feature: haml coffee option

.gitignore

@@ -0,0 +1,20 @@
+# OSX
+.DS_Store
+
+
+#
+# IDE
+#
+
+# Eclipse
+.classpath
+.project
+.settings/
+
+# IntelliJ
+*.iml
+.idea/
+
+# Sublime Text
+*.sublime-project
+*.sublime-workspace

.npmignore

@@ -0,0 +1 @@
+.*

README.md

@@ -2,13 +2,18 @@ karma-preprocessor-haml
 =======================
 > A Karma preprocessor that Compile haml script to html.
 
+**Supports [haml-js][] and [haml-coffee][] as language compilers**
+
+[haml-coffee]: https://github.com/netzpirat/haml-coffee
+[haml-js]: https://github.com/creationix/haml-js
+
 ## Installation
 
 The easiest way is to keep `karma-haml-preprocessor` as a devDependency in your `package.json`.
 ```json
 {
   "devDependencies": {
-    "karma-haml-preprocessor": "~0.1"
+    "karma-haml-preprocessor": "~0.2"
   }
 }
 ```
@@ -32,3 +37,30 @@ module.exports = function(config) {
   });
 };
 ```
+
+### Options
+
+
+```js
+// karma.conf.js
+module.exports = function(config) {
+  config.set({
+    ...
+    hamlPreprocessor: {
+      options: {
+        language: 'coffee'
+      }
+    }
+  });
+};
+```
+
+
+#### language
+
+Type: `string`  
+Default: `js`  
+Accepted values: `js`, `coffee`
+
+Specifies the script language and compiler to use alongside HAML.
+`js` will use [haml-js][], `coffee` uses [haml-coffee][]

index.js

@@ -1,19 +1,50 @@
-var haml = require('haml');
-
 var createHamlPreprocessor = function(args, config, logger, helper) {
   config = config || {};
   var log = logger.create('preprocessor.haml');
 
+  var defaultOptions = {
+    language: 'js'
+  };
+  var options = helper.merge(defaultOptions, args.options || {}, config.options || {});
+
+  //
+
+  var transpileJS = function(content, file, done) {
+    var haml = require('haml');
+
+    var compiled = haml.compile(content);
+    done(eval(compiled));
+  };
+
+  var transpileCoffee = function(content, file, done) {
+    var hamlc = require('haml-coffee');
+
+    var compiled = hamlc.compile(content)();
+    done(compiled);
+  };
+
+  //
+
   return function(content, file, done) {
     log.debug('Processing "%s".', file.originalPath);
-    var compiled = haml.compile(content);
-    done(eval(compiled))
+
+    switch(options.language) {
+      case 'js' :
+        transpileJS(content, file, done);
+        break;
+      case 'coffee' :
+        transpileCoffee(content, file, done);
+        break;
+      default :
+        log.error('Language "%s" is not a valid source language for the hamlPreprocessor. Available options are `js` and `coffee`.', options.language);
+    }
+
   };
 };
 
-createHamlPreprocessor.$inject = ['args', 'config', 'logger', 'helper'];
+createHamlPreprocessor.$inject = ['args', 'config.hamlPreprocessor', 'logger', 'helper'];
 
 // PUBLISH DI MODULE
 module.exports = {
   'preprocessor:haml': ['factory', createHamlPreprocessor]
-};
+};

package.json

@@ -1,6 +1,6 @@
 {
   "name": "karma-haml-preprocessor",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "A Karma plugin. Compile haml script to html",
   "main": "index.js",
   "repository": {
@@ -10,14 +10,16 @@
   "keywords": [
     "haml-plugin",
     "haml-preprocessor",
-    "haml"
+    "haml",
+    "haml-coffee"
   ],
   "author": {
     "name": "subteca",
     "email": "[email protected]"
   },
   "dependencies": {
-    "haml": "0.4.3"
+    "haml": "0.4.3",
+    "haml-coffee": "1.14.x"
   },
   "peerDependencies": {
     "karma": ">=0.9"
@@ -27,6 +29,10 @@
     {
       "name": "Marian Ondrasak",
       "email": "[email protected]"
+    },
+    {
+      "name": "Giovanni Carnel",
+      "email": "[email protected]"
     }
   ]
 }